Linksys ADSL2MUE is an ADSL2/2+ capable router/modem based on the Texas Instruments AR7 architecture. Marketed in the United Kingdom, France, Australia, Germany and a few other countries not including the United States of America.

If you are looking for a modem this might not be what you are looking for. Although advertised as a modem, it is actually a router with some sort of bridging capabilities.

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Hardware resources

Based on Texas Instruments AR7 architecture it includes a few other chips on board, such as ethernet and ADSL transformers. TI does not provide with much information about the architecture and answers with a "this is for OEM eyes only" when asked for more information.

The console is located on the same edge that the leds are, that is, front-right side of the board. It is labeled J1 and an arrow points to pin 1 on the left, that is, the closest pin to the leds. Voltage reference is 3.3 volts and it is set by default at 38400,8,N,1. Mine already had a connector soldered just like to ones we usually see on computer boards as CPU/NB fan connector.

Partially GPL'd software can be downloaded from the UK office of Linkys at the GPL link show at the Linksys GPL code center.

As many AR7 based devices do, Linksys ADSL2MUE violates GPL license because only partial sources are released. Visit GPL Violations web site for more information on this.

Software features

With the default oficial firmware this device has four modes of operation:

Router with PPPoA over the WAN

Router with PPPoE over the WAN

Router with RFC1483 bridged over the WAN

Bridge with RFC1483 bridged over the WAN

All three router modes NAT support is fair enough for outgoing purposes but will not let you do any port forwarding to the inside.

The only modem capabilities the device shows is called brige mode. This mode interconnects a native ethernet network or an ethernet over USB network with a RFC1484 bridge mode network (ethernet switched over ATM/ADSL).